Polysphincta texana Cresson, 1870:149, ♀. ♀, Texas; Cushman, 1920Cushman, R.A. 1920. The North American Ichneumon-flies of the tribes Lycorini, Polyphinctini, and Theroniini. Proceedings of the United States National Museum 58 (2326):7-48, 1 pl.:21, Type ♀ (Acad. Nat. Sci. Phila., No. 1,427). - Cresson, 1872Cresson, E.T. 1872. Hymenoptera Texana. Transactions of the American Entomological Society 4:153-292. (distribution); Dalla Torre, 1901-1902Dalla Torre, C.G. 1901-1902. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. — Volumen III: Trigonalidae, Megalyridae, Stephanidae, Ichneumonidae, Agriotypidae, Evaniidae, Pelecinidae. Pars II. Breitkopf & Härtel, Leipzig. VIII + 1141. (distribution); Cushman, 1920Cushman, R.A. 1920. The North American Ichneumon-flies of the tribes Lycorini, Polyphinctini, and Theroniini. Proceedings of the United States National Museum 58 (2326):7-48, 1 pl. (distribution). - As Oxyrrhexis carbonator texana: - Townes & Townes, 1960Townes, H.K. & M. Townes 1960. Ichneumon-flies of America North of Mexico: 2. Subfamilies Ephialtinae, Xoridinae, Acaenitinae. Bulletin of the United States National Museum 216 (2):1-676. (distribution); Khalaim et al., 2024Khalaim, A.I., E. Ruíz-Cancino & J.M. Coronado-Blanco 2024. Darwin wasps of the subfamily Pimplinae (Hymenoptera: Ichneumonidae) of Mexico: Polysphincta genus-group. Zootaxa 5458 (2):151-196. (distribution).
Polysphincta vicina Provancher, 1873:470, ♂. Holotype ♂, Québec; Cushman, 1920Cushman, R.A. 1920. The North American Ichneumon-flies of the tribes Lycorini, Polyphinctini, and Theroniini. Proceedings of the United States National Museum 58 (2326):7-48, 1 pl.:21, Type ♂ (Pub. Mus. Quebec). - Cushman, 1920Cushman, R.A. 1920. The North American Ichneumon-flies of the tribes Lycorini, Polyphinctini, and Theroniini. Proceedings of the United States National Museum 58 (2326):7-48, 1 pl.:21 ( listed as synonym of Polysphincta texana Cresson, 1870); Townes & Townes, 1960Townes, H.K. & M. Townes 1960. Ichneumon-flies of America North of Mexico: 2. Subfamilies Ephialtinae, Xoridinae, Acaenitinae. Bulletin of the United States National Museum 216 (2):1-676.:243 ( listed as synonym of Oxyrrhexis carbonator texana Cresson, 1870); Khalaim et al., 2024Khalaim, A.I., E. Ruíz-Cancino & J.M. Coronado-Blanco 2024. Darwin wasps of the subfamily Pimplinae (Hymenoptera: Ichneumonidae) of Mexico: Polysphincta genus-group. Zootaxa 5458 (2):151-196.:171 ( listed as synonym of Oxyrrhexis carbonator texana Cresson, 1870).
Polysphincta bicarinata Davis, 1898:368, Cushman, 1920Cushman, R.A. 1920. The North American Ichneumon-flies of the tribes Lycorini, Polyphinctini, and Theroniini. Proceedings of the United States National Museum 58 (2326):7-48, 1 pl.:21, Type ♀ (Acad. Nat. Sci. Phila., No. 168). - Cushman, 1920Cushman, R.A. 1920. The North American Ichneumon-flies of the tribes Lycorini, Polyphinctini, and Theroniini. Proceedings of the United States National Museum 58 (2326):7-48, 1 pl.:21 ( listed as synonym of Polysphincta texana Cresson, 1870); Townes & Townes, 1960Townes, H.K. & M. Townes 1960. Ichneumon-flies of America North of Mexico: 2. Subfamilies Ephialtinae, Xoridinae, Acaenitinae. Bulletin of the United States National Museum 216 (2):1-676.:243 ( listed as synonym of Oxyrrhexis carbonator texana Cresson, 1870); Khalaim et al., 2024Khalaim, A.I., E. Ruíz-Cancino & J.M. Coronado-Blanco 2024. Darwin wasps of the subfamily Pimplinae (Hymenoptera: Ichneumonidae) of Mexico: Polysphincta genus-group. Zootaxa 5458 (2):151-196.:171 ( listed as synonym of Oxyrrhexis carbonator texana Cresson, 1870).